Table 2.
Intra- and Inter-reader Reliability APPROACH MOAKS Assessment (Baseline)
| N = 2 | Intra-observer | Inter-observer | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Weighted Kappa | Std. Error | 95% CI | Weighted Kappa | Std. Error | 95% CI | ||||
| Maximum cartilage score | MFTJ | 0.79 | 0.08 | 0.62 | 0.95 | 0.89 | 0.05 | 0.79 | 0.98 |
| LFTJ | 0.95 | 0.03 | 0.89 | 1.01 | 0.96 | 0.02 | 0.91 | 1.01 | |
| PFJ | 0.88 | 0.07 | 0.75 | 1.02 | 0.76 | 0.09 | 0.57 | 0.94 | |
| Knee | 0.75 | 0.09 | 0.58 | 0.92 | 0.85 | 0.06 | 0.73 | 0.97 | |
| Maximum cartilage area score | MFTJ | 0.88 | 0.07 | 0.74 | 1.01 | 0.82 | 0.10 | 0.62 | 1.02 |
| LFTJ | 1.00 | 0.00 | 1.00 | 1.00 | 0.96 | 0.04 | 0.89 | 1.04 | |
| PFJ | 0.87 | 0.09 | 0.70 | 1.04 | 0.72 | 0.15 | 0.43 | 1.02 | |
| Knee | 0.71 | 0.14 | 0.43 | 0.98 | 0.76 | 0.12 | 0.52 | 0.99 | |
| Maximum cartilage full thickness score | MFTJ | 0.81 | 0.08 | 0.66 | 0.96 | 0.82 | 0.10 | 0.62 | 1.02 |
| LFTJ | 0.90 | 0.07 | 0.77 | 1.03 | 0.90 | 0.06 | 0.78 | 1.02 | |
| PFJ | 1.00 | 0.00 | 1.00 | 1.00 | 0.88 | 0.08 | 0.72 | 1.04 | |
| Knee | 0.88 | 0.07 | 0.75 | 1.01 | 0.88 | 0.07 | 0.75 | 1.01 | |
| Number of cartilage subregions with score > 0 | MFTJ | 0.95 | 0.03 | 0.89 | 1.02 | 0.95 | 0.03 | 0.89 | 1.02 |
| LFTJ | 1.00 | 0.00 | 1.00 | 1.00 | 0.97 | 0.03 | 0.91 | 1.03 | |
| PFJ | 0.84 | 0.08 | 0.69 | 0.99 | 0.92 | 0.06 | 0.81 | 1.03 | |
| Knee | 0.92 | 0.03 | 0.85 | 0.98 | 0.94 | 0.03 | 0.88 | 0.99 | |
| Maximum BML size score | MFTJ | 0.94 | 0.06 | 0.82 | 1.06 | 1.00 | 0.00 | 1.00 | 1.00 |
| LFTJ | 1.00 | 0.00 | 1.00 | 1.00 | 1.00 | 0.00 | 1.00 | 1.00 | |
| PFJ | 1.00 | 0.00 | 1.00 | 1.00 | 0.91 | 0.09 | 0.74 | 1.08 | |
| Knee | 0.95 | 0.05 | 0.86 | 1.04 | 1.00 | 0.00 | 1.00 | 1.00 | |
| Number of regions with BML score > 0 | MFTJ | 0.97 | 0.03 | 0.91 | 1.03 | 0.97 | 0.03 | 0.91 | 1.03 |
| LFTJ | 1.00 | 0.00 | 1.00 | 1.00 | 0.89 | 0.06 | 0.77 | 1.01 | |
| PFJ | 1.00 | 0.00 | 1.00 | 1.00 | 0.86 | 0.10 | 0.67 | 1.04 | |
| Knee | 0.98 | 0.02 | 0.93 | 1.02 | 0.88 | 0.05 | 0.79 | 0.97 | |
| Maximum osteophyte score | MFTJ | 0.95 | 0.05 | 0.86 | 1.04 | 0.77 | 0.10 | 0.57 | 0.96 |
| LFTJ | 0.84 | 0.07 | 0.71 | 0.98 | 0.74 | 0.09 | 0.58 | 0.91 | |
| PFJ | 0.84 | 0.08 | 0.69 | 1.00 | 0.80 | 0.10 | 0.60 | 0.99 | |
| Knee | 0.91 | 0.06 | 0.79 | 1.03 | 0.91 | 0.06 | 0.79 | 1.03 | |
| Meniscus morphology score (range 0–8) | MFTJ | 0.93 | 0.07 | 0.80 | 1.06 | 0.90 | 0.06 | 0.79 | 1.01 |
| LFTJ | 0.93 | 0.05 | 0.83 | 1.03 | 0.83 | 0.06 | 0.71 | 0.95 | |
| Meniscus morphology score (range 0:no/signal,1:tear,2:maceration) | MFTJ | 0.95 | 0.05 | 0.84 | 1.05 | 0.89 | 0.07 | 0.75 | 1.03 |
| LFTJ | 1.00 | 0.00 | 1.00 | 1.00 | 0.94 | 0.06 | 0.83 | 1.05 | |
| Meniscus extrusion (range 0–3) | MFTJ | 0.96 | 0.04 | 0.88 | 1.04 | 0.92 | 0.06 | 0.81 | 1.03 |
| LFTJ | 0.88 | 0.08 | 0.72 | 1.03 | 0.94 | 0.07 | 0.81 | 1.07 | |
| Meniscus extrusion (0/1 vs 2/3) | MFTJ | 1.00 | 0.00 | 1.00 | 1.00 | 0.90 | 0.10 | 0.71 | 1.09 |
| LFTJ | 1.00 | 0.00 | 1.00 | 1.00 | 1.00 | 0.00 | 1.00 | 1.00 | |
| Hoffa synovitis | Knee | 0.85 | 0.10 | 0.65 | 1.05 | 0.87 | 0.09 | 0.69 | 1.04 |
| Effusion synovitis | Knee | 1.00 | 0.00 | 1.00 | 1.00 | 0.89 | 0.08 | 0.74 | 1.04 |
MFTJ Medial tibio-femoral joint, LFTJ lateral tibio-femoral joint, PFJ Patellofemoral joint, Std Standard